Knowledge base for software setup, errors, and daily tool work.

VSCode Breakpoint Not Working? Here's How to Fix It

You set a breakpoint, start debugging, but the code runs past it without stopping. This is a comm...

Cloudflare 521 Error: How to Check Server Logs

If you're seeing a Cloudflare 521 error, it means Cloudflare tried to connect to your origin ...

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Fix Node Version Incompatible with npm Package Error

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...